３か月ごとの値
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室蘭（胆振地方) 1978年（３か月ごとの値） 詳細（日照・雪・その他）
| 月 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||
| 値 | 日 | ||||||||||||||||||||||||||||
11～1 | 279.1 | 32 | 15 | 32 | 5.1 | 41 | 10 | 01/25 | 4 | 2 | 1 | 0 | 0 | 0 | 13 | 01/30* | 47 | 36 | 15 | 7 | 0 | 0 | 0 | 7.6 | 3 | 40 | 56 | 0 | 1 |
12～2 | 287.6 | 33 | 10 | 31 | 6.0 | 75 | 17 | 02/18 | 8 | 5 | 2 | 0 | 0 | 0 | 22 | 02/18 | 72 | 61 | 38 | 16 | 1 | 0 | 0 | 7.8 | 1 | 40 | 76 | 0 | 1 |
1～3 | 429.1 | 45 | 7 | 44 | 9.5 | 117 | 34 | 03/11 | 9 | 7 | 4 | 1 | 0 | 0 | 51 | 03/11 | 84 | 76 | 59 | 41 | 17 | 1 | 0 | 6.9 | 6 | 31 | 76 | 0 | 1 |
2～4 | 501.6 | 47 | 14 | 51 | 12.3 | 93 | 34 | 03/11 | 7 | 6 | 3 | 1 | 0 | 0 | 51 | 03/11 | 60 | 57 | 49 | 34 | 17 | 1 | 0 | 6.5 | 6 | 30 | 52 | 5 | 0 |
3～5 | 578.8 | 48 | 19 | 54 | 15.2 | 57 | 34 | 03/11 | 3 | 3 | 2 | 1 | 0 | 0 | 51 | 03/11 | 32 | 29 | 26 | 25 | 16 | 1 | 0 | 6.2 | 8 | 32 | 26 | 13 | 2 |
4～6 | 540.9 | 41 | 24 | 46 | 15.9 | 1 | 1 | 04/03 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04/03 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 43 | 6 | 24 | 3 |
5～7 | 568.9 | 42 | 21 | 50 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 4 | 46 | 0 | 38 | 3 | ||
6～8 | 595.7 | 44 | 17 | 54 | 17.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 5 | 42 | 0 | 35 | 2 | ||
7～9 | 630.8 | 50 | 14 | 60 | 16.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 8 | 33 | 0 | 24 | 3 | ||
8～10 | 636.4 | 56 | 10 | 63 | 14.2 | 0 | 0 | 10/13* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 8 | 24 | 1 | 5 | 5 | |
9～11 | 542.2 | 54 | 11 | 59 | 10.8 | 0 | 0 | 11/24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 8 | 24 | 6 | 0 | 4 | |
10～12 | 402.9 | 44 | 11 | 47 | 7.3 | 28 | 14 | 12/19 | 2 | 2 | 1 | 0 | 0 | 0 | 16 | 12/19 | 17 | 12 | 6 | 3 | 0 | 0 | 0 | 6.5 | 5 | 28 | 22 | 0 | 2 |